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CVE-2024-13338: Webcraftic Clearfy – WordPress optimization plugin <= 2.3.1 - Cross-Site Request Forgery to Clear Cache

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-12 · updated 2026-06-17
• Weakness: CWE-352

Description

The Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.3.1. This is due to missing or incorrect nonce validation on the wclearfy_cache_delete functionality . This makes it possible for unauthenticated attackers to clear the cache via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• creativemotion Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer: before 2.3.2 — fixed in 2.3.2

How to fix

Upgrade to a fixed version: creativemotion Clearfy Cache – WordPress optimization plugin, Minify HTML, CSS & JS, Defer 2.3.2. Check the vendor advisory for mitigations.

References

• https://plugins.trac.wordpress.org/changeset/3268278/clearfy/trunk/components/cache/includes/cache.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e0a37ce4-9860-415e-bb88-545c30c95fc1?source=cve

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